how to https or wss

My client has requested to use HTTPS or WSS for security reasons, but I am working in 3D and do not know how to configure cloud rendering to HTTPS or WSS. Can I modify the source code of the webserver. Please advise! thanks

There is the document related about your question.
https://docs.unity3d.com/Packages/com.unity.renderstreaming@3.1/manual/customize-webapp.html